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Topic: Asteroid 2002 AA29

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	2002 AA29 - Wikipedia, the free encyclopedia
		Asteroid 2002 AA also written 2002 AA29) is a near-Earth asteroid discovered in January 2002 by the LINEAR asteroid survey.
		Richard Gott and Edward Belbruno from Princeton University have speculated that 2002 AA might have formed together with Earth and Theia, the postulated planet that, according to the Giant Impact theory collided with Earth in its early history.
		The orbit of the asteroid is such that it would be relatively easy for a spacecraft to retrieve rock samples from it and bring them to Earth for analysis.
	en.wikipedia.org /wiki/2002_AA29 (222 words)

	October 2002 - Open Encyclopedia (Site not responding. Last check: 2007-11-04)
		Astronomy: Asteroid 2002 AA29 appears to be an astronomical object sharing the orbit of the Earth in an unusual "horseshoe" orbit.
		October 18, 2002 Manila bus bombing: A bomb exploded in suburban Manila, destroying a bus and killing at least three people, while 23 others were wounded.
		2002 Bali terrorist bombing: A car-bomb on theIndonesian island of Bali explodes outside a nightclub killing at least 182 people, 75% of whom are said to have been foreign holidaymakers.
	open-encyclopedia.com /October_2002 (2582 words)

	Earth Coorbital Asteroid 2002 AA29
		Coorbital asteroids similar in some ways to 2002 AA29 are known to follow Jupiter's orbit and Mars' orbit, but this is the first one known for Earth.
		Asteroid 2002 AA29 was discovered by the LINEAR asteroid search program in January 2001.
		Note that we are looking at the asteroid from above the Sun, and in a frame which moves along with the Earth, which remains stationary at the bottom of the frame (for an animated view, see the MPEG movie clip).
	www.astro.uwo.ca /~wiegert/AA29/AA29.html (1988 words)

	BBC NEWS \| Science/Nature \| Earth's little brother found
		Asteroid 2002 AA29 is only about 100 metres wide and never comes closer than 5.8 million kilometres (3.6 million miles) to our planet.
		This puts 2002 AA29 is in the same class as 3753 Cruithne, a similar rocky body in a horseshoe orbit around the Earth.
		It is clear that 2002 AA29 was discovered by accident at a time when it was at one end of its horseshoe orbit and, being at its closest to the Earth, was bright enough to be detected in an automated sky survey.
	news.bbc.co.uk /2/hi/science/nature/2347663.stm (645 words)

	Rendezvous with Earth Co-Orbital Object, Asteroid 2002 AA29 (Site not responding. Last check: 2007-11-04)
		AA29 is in a ‘horseshoe’ orbit - meaning that it closely follows Earth’s orbit, then turns around when it gets near the Earth and follows Earth’s orbit in the reverse direction.
		AA29 approaches the Earth on its leading side because of its slightly larger semi-major axis, which results in a smaller mean motion.
		AA29 possess an exceptional opportunity for scientist to ascertain the composition of an asteroid in a relatively cost-efficient mission.
	ccar.colorado.edu /asen5050/projects/projects_2004/mlarson (1790 words)

	lp1
		The asteroid, called 2002 AA29, is in a precise circular orbit that follows the same general path as the Earth around the sun.
		Even if 2002 AA29 did hit the Earth, it would not cause planetwide destruction as did the 10km-wide asteroid that hit and killed the dinosaurs some 23 million years ago.
		Asteroid observations are among the 1000 studies to be presented this week at the national meeting of the American Astronomical Society.
	www.dispatch.co.za /2003/01/08/editoria/LP1.HTM (485 words)

	The Telegraph - Calcutta : At Leisure
		Asteroid 2002 AA29 is like a mouse teasing a cat, approaching Earth first on one side and then on another, without ever making contact or actually passing our planet as the two bodies circle the sun, say astronomers.
		This particular asteroid is the first ever found to orbit the sun in nearly the same path as Earth, but never manages to pass it, the National Aeronautics and Space Administration said.
		In 95 years, the asteroid will have advanced all the way around to where it is catching up to the Earth from behind.
	www.telegraphindia.com /1030104/asp/atleisure/story_1542382.asp (245 words)

	Independent, The (London): Meet asteroid 2002 AA29: or Earth's `little brother'
		Asteroid 2002 AA29, a 100-metre-wide lump of space rock, was discovered by a team of astronomers led by Martin Connors of the Centre for Science at Athabasca University in Canada.
		Duncan Steele, an expert on asteroids at Salford University, said the asteroid's orbit is similar to the circular path that Earth follows once each year around the Sun.
		Dr Steele said that if the asteroid were composed of iron and nickel it could prove invaluable for future space missions, who could use the mineral deposits.
	www.findarticles.com /p/articles/mi_qn4158/is_20021023/ai_n12653433 (433 words)

	Gravity Simulator
		The odds were once considered as high as 1 in 37 that Asteroid 2004 MN4 would impact Earth on April 13, 2029.
		Earth's gravity causes Asteroid 2002 AA29 to orbit the Sun in a horseshoe orbit.
		Asteroid 5261 Eureka and six other asteroids share a solar orbit with Mars.
	www.orbitsimulator.com /gravity/articles/simu.html (525 words)

	Asteroid, Earth play chase game: 1/6/03
		On Wednesday, the asteroid makes its closest approach to the Earth in almost a century, moving within 3.7 million miles.
		The asteroid is only about 200 feet across, too small to be easily seen.
		Even if 2002 AA29 did hit the Earth, it would not cause planetwide destruction as did the 6-mile-wide asteroid that is believed to have struck the planet and killed the dinosaurs some 23 million years ago.
	www.southcoasttoday.com /daily/01-03/01-06-03/a02wn011.htm (524 words)

	Loebrich.org: Earth's little brother found (Site not responding. Last check: 2007-11-04)
		Astronomers have discovered the first object ever that is in a companion orbit to the Earth.
		Asteroid 2002 AA29 is only about 100 metres wide and never comes closer than 3.6 million miles to our planet.
		Researchers are speculating that 2002 AA29 could be visited by astronauts or used to understand the threat to our planet posed by such rocks from space.
	www.loebrich.org /2002/10/21/earths_little_brother_found.html (162 words)

	JPL.NASA.GOV: News Releases
		The first asteroid discovered to orbit the Sun in nearly the same path as Earth will make its closest approach to our planet this month before scurrying away for 95 years.
		The asteroid, named 2002 AA29, traces an unusual horseshoe pattern relative to Earth.
		"The asteroid will appear to orbit the Earth at that time, but in fact it will be too far away to be considered a true satellite of our planet," Chodas said.
	www.jpl.nasa.gov /news/news.cfm?release=2003-001 (505 words)

	Oct. '02 A/CC News
		2002 QF15 and 2002 RS28 were discovered on 27 Aug. and 6 Sept. by LINEAR, and were on the risk pages during early Sept. MPEC 2002-T36 now reports a half-dozen observations for 2002 QF15 going back to 23 July 1955, including 1991 and 1993, all at Siding Spring in Australia.
		Fact check: About "2002 MT7," there may be an object with such a designation, but it hasn't appeared in the MPECs or "between the Earth and the Moon." There is a 2002 NT7 that got some attention recently, but it was 2002 MN that made a surprise inside passage.
		That 2002 AA29 is another such "co-orbital" object made headlines in October 2002, and again in January 2003.
	www.hohmanntransfer.com /news/0210.htm (5209 words)

	2002 AA29 - Encyclopedia Glossary Meaning Explanation 2002 AA29 (Site not responding. Last check: 2007-11-04)
		2002 AA29 - Encyclopedia Glossary Meaning Explanation 2002 AA29.
		Here you will find more informations about 2002 AA29.
		The orginal 2002 AA29 article can be editet
	www.encyclopedia-glossary.com /en/2002-AA29.html (212 words)

	Near-Earth Asteroid 3753 Cruithne
		The near-Earth asteroid 3753 Cruithne is in an unusual orbit about that of the Earth, one which is known in the lingo of celestial mechanics as being co-orbital with the Earth (meaning it shares the Earth's orbit with it) and, more particularly, as being of the "horseshoe" type.
		The apparent overlap of the asteroid with the Earth does not result in any danger of collision because the asteroid's orbit is highly inclined to that of our planet.
		Though the asteroid thus appears to orbit the Earth, this is a result of the frame of reference we are using.
	www.astro.uwo.ca /~wiegert/3753/3753.html (2229 words)

	asteroid 2002 AA29 (Site not responding. Last check: 2007-11-04)
		2002 AA29 was discovered by LINEAR on 9 Jan. 2002, and, according to the EARN database, is estimated to be about 50 to 110 meters/yards wide.
		Simon P. Worden describes it as an "NEO that is close to being trapped by the Earth [as] a second natural satellite." He speculated in a 15 July 2002 statement posted on SpaceRef.com that this orbital evolution could be helped along by humans to allow closer study and commercial development.
		The population of near-Earth asteroids in coorbital motion with the Earth.
	www.hohmanntransfer.com /cgi-bin/get.cgi?des=2002aa29 (287 words)

	Lagrange
		The asteroid 5261 Eureka is a "Mars Trojan", occupying the L5 point of Mars' orbit around the sun.
		This asteroid is unique: it is an example of a rare type of dynamical relationship, and although it is not a satellite of our planet per se, it is, apart from the Moon, the only known natural companion of the Earth.
		Numerical simulations of the orbital evolution of asteroidal dust particles show that the Earth is embedded in a circumsolar ring of asteroidal dust, and has a cloud of dust permanently in its wake.
	math.ucr.edu /home/baez/lagrange.html (5119 words)

	Tiny asteroid tailing Earth -DAWN - International; January 4, 2003
		WASHINGTON, Jan 3: An asteroid playing a cat-and-mouse game with Earth will pull to its closest point in almost a century on Monday before swinging away for another 95 years, NASA said in a statement.
		Asteroid 2002 AA29 is like a mouse teasing a cat, approaching Earth first on one side and then on another, without ever making contact or actually passing our planet as the two bodies circle the sun, the astronomers said on Thursday.
		To an observer moving with the Earth, the asteroid appears to trace out a horse-shoe pattern.
	www.dawn.com /2003/01/04/int10.htm (320 words)

	SABCnews.com - sci_tech/science
		An asteroid playing acat-and-mouse game with Earth will pull to its closest point inalmost a century on Monday before swinging away for another 95years, NASA said in a statement.
		Asteroid 2002 AA29 is like a mouse teasing a cat, approaching Earth first on one side and then on another, without ever making contact or actually passing our planet as the two bodies circle the sun, said the astronomers.
		In about 600 years, though, the little asteroid could start looping around Earth like a distant mini-moon for about 40 years before returning to its cat-and-mouse ways, the astronomers said.
	www.sabcnews.co.za /sci_tech/science/0,2172,50287,00.html (412 words)

	Orbital Resonance: Archive Entry From Brad DeLong's Webjournal
		The Earth companion asteroid 3753 Cruithne: I have been involved in an a study, in collaboration with Kim Innanen (York) and Seppo Mikkola (Turku), of near-Earth asteroids.
		These rare bodies are called Earth coorbital or companion asteroids; they in some sense share the Earth's orbit with it.
		With a highly circular orbit that is the most Earth-like seen so far, and able to transit between two distinct types of resonant motion, is the newly-discovered ECA 2002 AA29.
	www.j-bradford-delong.net /movable_type/archives/001102.html (442 words)

	Astro News - Nehru Centre
		The space rock, measuring about 60 meters (approximately 200 feet) across, is like a mouse teasing a cat, the asteroid approaches the Earth, first on one side and then on the other.
		The team's report appeared in the October 2002 issue of the journal Meteoritics and Planetary Science.
		The first orbit was published by Brian G. Marsden of the Central Bureau for Astronomical Telegrams on 2002 November 7 (MPEC 2002-V31 and IAUC 8011).
	www.nehrucentremumbai.com /archives/earth-asteroid.htm (1576 words)

	2002 aa29 (Site not responding. Last check: 2007-11-04)
		Asteroid 2002 AA is a near-Earth asteroid discovered in January 2001 by the LINEAR asteroid survey.
		On January 8, 2003, the asteroid came within approximately 5.9 gigametres (3.7 million miles) of Earth, its closest approach for almost a century.
		(For other objects and regions, see:, Asteroid moons and the Solar system)
	www.yourencyclopedia.net /2002_aa29.html (165 words)

	Science Articles \|\| Science Blog Community
		The Globe & Mail reports that a small asteroid called 2002 AA29 is in a circular orbit following the same general path around the sun as the Earth.
		On Wednesday, the asteroid will be within 6 million kilometres of Earth--closer than it has been in almost a century.
		Even if the 60 metre-wide asteroid did strike the Earth, it would not cause planetwide destruction as did the 10-kilometre-wide asteroid that created the Chicxulub crater in Mexico's Yucatan Peninsula and is theorized to have killed the dinosaurs 65 million years ago.
	www.sciscoop.com /story/2003/1/5/174811/7544 (460 words)

	WAS Index
		Every 95 years the asteroid and the Earth change relative positions, with the Earth forcing the small body (200 feet in diameter) to move ahead or behind the Earth everytime the two come close to each other.
		Orbit studies by Paul Chodas, a Jet Propulsion Lab engineer, show that in about six hundred years, the Earth will force the asteroid to make a complete orbit around the Earth and then make it a small Moon, continually circling the Earth for about forty years.
		Not being able to award this eyepiece or raffle it in 2002, the club must decide how to handle its distribution.
	www.warrenastronomicalsociety.org /newsletter/2003_February (1246 words)

	January astronomy calendar
		Asteroid Vesta is starting to dim, After reaching its second stationary point on October 31, Vesta again advances to the east, and returns to Cetus on January 31.
		Asteroid 8 Flora travels just 1 degree north of Saturn sometime between January 15 and January 20.
		Asteroid 532 Herculina (magnitude 8.9) passes 1 degree south of the first magnitude star Pollux around January 31.
	www.geocities.com /goarana666/jan05.html (3073 words)

	Keyword (Site not responding. Last check: 2007-11-04)
		Monday, 21 October, 2002, 16:27 GMT 17:27 UKEarth's little brother found The asteroid was found almost by accident By Dr David Whitehouse BBC News Online science editor Astronomers have discovered the first object ever that is in a companion orbit to the Earth.
		Asteroid 1937 UB, later dubbed Hermes, set a record for closest recorded approach to the Earth on 30 October 1937.
		Because the asteroid is so close, its location in the sky will vary significantly for skywatchers in different places on Earth at any given moment.
	www.freerepublic.com /focus/keyword?k=toutatis (1831 words)

	Earth's Little Brother Found (Site not responding. Last check: 2007-11-04)
		General Simon Worden of the United States Space Command described it as a "near Earth object that is close to being trapped by the Earth as a second natural satellite".
		Let's not start nudging asteroids unless the are already in an Earth intercept.
		From Near-Earth asteroid 3753 Cruithne: The Dalriada Celtic Heritage Trust inform us the Cruithne were "the first Celtic racio-tribal group to come to the British Isles, appearing between about 800 and 500 B.C., and coming from the European continent.
	www.freerepublic.com /focus/news/773250/posts (1554 words)

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